Enhance HTTP Requests with Modify Header Value

Modify Header Value is a powerful Firefox add-on designed for web developers and testers. This subscription-based tool allows users to seamlessly add, modify, or remove HTTP request headers for specific websites or URLs. It is especially beneficial for app developers and web designers who need to manipulate headers for testing purposes. The add-on provides a straightforward interface where users can easily manage header items, enabling or disabling them as needed. Additionally, it includes a tutorial on customizing headers, making it user-friendly even for those who may be new to HTTP requests.

The add-on offers extensive functionality, including a comprehensive list of HTTP headers available in its options page. Users can add multiple header items and manage them individually, providing flexibility in testing different scenarios. The toolbar icon allows for quick access to enable or disable the add-on, enhancing usability. With its features tailored for development and IT needs, Modify Header Value stands out as an essential tool for anyone involved in web development.

 0/1

App specs

  • License

    Subscription

  • Version

    0.2.0

  • Latest update

  • Platform

    firefox

  • Size

    100.72 KB

  • Developer

Program available in other languages



User reviews about Modify Header Value

Have you tried Modify Header Value? Be the first to leave your opinion!

Top extensions for Mozilla Firefox

Top downloads Web development for Firefox

Top downloads Web development for Firefox

Top downloads Web development for Firefox

You may also like

Explore Apps

Latest articles

Laws concerning the use of this software vary from country to country. We do not encourage or condone the use of this program if it is in violation of these laws.
Softonic
Your review for Modify Header Value
Softonic
100/100

Score result: Clean

This file passed a comprehensive security scan using VirusTotal technology. It is safe to download.

  • Virus free
  • Spyware free
  • Malware free
  • Verified by Security Partners

    VirusTotal logo

Scan Info

Last scan
Sunday, September 7, 2025
Scan provider
VirusTotal · Full report

File Integrity

File
0.2.0.xpi
SHA256
afccd659e9014f3a15dccb9a00964463aba4eb39b073e9666c1e36061056bb0d
SHA1
8be370ab92613dfead66d51ba096a624acc1d13d

Softonic security commitment

Modify Header Value has been thoroughly scanned by our advanced security systems and verified by industry-leading partners. This file comes from the official developer and has passed all our security checks, showing no signs of viruses, malware, or spyware.